Dec 07 16:45:53.009 INFO testing fingertrees-0.2.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 16:45:53.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 16:45:53.296 INFO [stdout] 43aafb11581607f6db3a0d5802c314243783b5d0ee4543fbd639972dbb9ff804
Dec 07 16:45:53.304 INFO running `"docker" "start" "-a" "43aafb11581607f6db3a0d5802c314243783b5d0ee4543fbd639972dbb9ff804"`
Dec 07 16:45:54.216 INFO [stderr] usermod: no changes
Dec 07 16:45:54.352 INFO [stderr]    Compiling fingertrees v0.2.1 (/source)
Dec 07 16:45:54.960 INFO [stderr] error[E0277]: the size for values of type `<<R as reference::Refs<V>>::Node as std::ops::Deref>::Target` cannot be known at compilation time
Dec 07 16:45:54.960 INFO [stderr]   --> src/node.rs:45:20
Dec 07 16:45:54.960 INFO [stderr]    |
Dec 07 16:45:54.960 INFO [stderr] 45 |             inner: R::Node::new(NodeInner::Leaf(value)),
Dec 07 16:45:54.960 INFO [stderr]    |                    ^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 07 16:45:54.960 INFO [stderr]    |
Dec 07 16:45:54.960 INFO [stderr]    = help: the trait `std::marker::Sized` is not implemented for `<<R as reference::Refs<V>>::Node as std::ops::Deref>::Target`
Dec 07 16:45:54.960 INFO [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 07 16:45:54.960 INFO [stderr]    = help: consider adding a `where <<R as reference::Refs<V>>::Node as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 07 16:45:54.960 INFO [stderr]    = note: all function arguments must have a statically known size
Dec 07 16:45:54.960 INFO [stderr]    = help: unsized locals are gated as an unstable feature
Dec 07 16:45:54.960 INFO [stderr] 
Dec 07 16:45:54.963 INFO [stderr] error[E0277]: the size for values of type `<<R as reference::Refs<V>>::Node as std::ops::Deref>::Target` cannot be known at compilation time
Dec 07 16:45:54.963 INFO [stderr]   --> src/node.rs:52:20
Dec 07 16:45:54.963 INFO [stderr]    |
Dec 07 16:45:54.963 INFO [stderr] 52 |             inner: R::Node::new(NodeInner::Node2 {
Dec 07 16:45:54.963 INFO [stderr]    |                    ^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 07 16:45:54.963 INFO [stderr]    |
Dec 07 16:45:54.963 INFO [stderr]    = help: the trait `std::marker::Sized` is not implemented for `<<R as reference::Refs<V>>::Node as std::ops::Deref>::Target`
Dec 07 16:45:54.963 INFO [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 07 16:45:54.963 INFO [stderr]    = help: consider adding a `where <<R as reference::Refs<V>>::Node as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 07 16:45:54.963 INFO [stderr]    = note: all function arguments must have a statically known size
Dec 07 16:45:54.963 INFO [stderr]    = help: unsized locals are gated as an unstable feature
Dec 07 16:45:54.963 INFO [stderr] 
Dec 07 16:45:54.963 INFO [stderr] error[E0277]: the size for values of type `<<R as reference::Refs<V>>::Node as std::ops::Deref>::Target` cannot be known at compilation time
Dec 07 16:45:54.963 INFO [stderr]   --> src/node.rs:66:20
Dec 07 16:45:54.963 INFO [stderr]    |
Dec 07 16:45:54.963 INFO [stderr] 66 |             inner: R::Node::new(NodeInner::Node3 {
Dec 07 16:45:54.963 INFO [stderr]    |                    ^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 07 16:45:54.963 INFO [stderr]    |
Dec 07 16:45:54.963 INFO [stderr]    = help: the trait `std::marker::Sized` is not implemented for `<<R as reference::Refs<V>>::Node as std::ops::Deref>::Target`
Dec 07 16:45:54.963 INFO [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 07 16:45:54.963 INFO [stderr]    = help: consider adding a `where <<R as reference::Refs<V>>::Node as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 07 16:45:54.963 INFO [stderr]    = note: all function arguments must have a statically known size
Dec 07 16:45:54.963 INFO [stderr]    = help: unsized locals are gated as an unstable feature
Dec 07 16:45:54.963 INFO [stderr] 
Dec 07 16:45:54.976 INFO [stderr] error[E0277]: the size for values of type `<<R as reference::Refs<V>>::Tree as std::ops::Deref>::Target` cannot be known at compilation time
Dec 07 16:45:54.976 INFO [stderr]   --> src/tree.rs:79:20
Dec 07 16:45:54.976 INFO [stderr]    |
Dec 07 16:45:54.976 INFO [stderr] 79 |         Tree::Deep(R::Tree::new(TreeInner {
Dec 07 16:45:54.976 INFO [stderr]    |                    ^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 07 16:45:54.976 INFO [stderr]    |
Dec 07 16:45:54.976 INFO [stderr]    = help: the trait `std::marker::Sized` is not implemented for `<<R as reference::Refs<V>>::Tree as std::ops::Deref>::Target`
Dec 07 16:45:54.976 INFO [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 07 16:45:54.976 INFO [stderr]    = help: consider adding a `where <<R as reference::Refs<V>>::Tree as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 07 16:45:54.976 INFO [stderr]    = note: all function arguments must have a statically known size
Dec 07 16:45:54.976 INFO [stderr]    = help: unsized locals are gated as an unstable feature
Dec 07 16:45:54.976 INFO [stderr] 
Dec 07 16:45:55.020 INFO [stderr] error: aborting due to 4 previous errors
Dec 07 16:45:55.020 INFO [stderr] 
Dec 07 16:45:55.020 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 07 16:45:55.034 INFO [stderr] error: Could not compile `fingertrees`.
Dec 07 16:45:55.034 INFO [stderr] 
Dec 07 16:45:55.034 INFO [stderr] To learn more, run the command again with --verbose.
Dec 07 16:45:55.034 INFO [stderr] su: No module specific data is present
Dec 07 16:45:55.448 INFO running `"docker" "inspect" "43aafb11581607f6db3a0d5802c314243783b5d0ee4543fbd639972dbb9ff804"`
Dec 07 16:45:55.599 INFO running `"docker" "rm" "-f" "43aafb11581607f6db3a0d5802c314243783b5d0ee4543fbd639972dbb9ff804"`
Dec 07 16:45:55.792 INFO [stdout] 43aafb11581607f6db3a0d5802c314243783b5d0ee4543fbd639972dbb9ff804